HEX atlas value

#04D215

#04D215 is a cool green HEX color close to Fluorescent Green. According to Colors Encyclopedia, it converts to RGB 4, 210, 21, HSL 125, 96%, 42%, has luminance 0.4617, and belongs to the vibrant and jewel tone groups.

#04D215 Sample readable text
HEX #04D215
RGB rgb(4, 210, 21)
HSL hsl(125 96% 42%)
CMYK cmyk(98, 0, 90, 18)
Luminance 0.4617
Contrast Black 10.23:1White 2.05:1

CSS

--color-04d215: #04D215;
.background-04d215 { background-color: #04D215; }
.text-04d215 { color: #04D215; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.4617
Black text10.23:1AA Pass
White text2.05:1AA Fail
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#04D215","rgb":[4,210,21],"hsl":[125,96,42],"cmyk":[98,0,90,18],"luminance":0.4617,"contrast":{"black":10.23,"white":2.05}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":10.23,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.05,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Fluorescent Green","hex":"#08FF08","family":"green","bestTextColor":"#000000","contrastBlack":15.32,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lime","hex":"#00FF00","family":"green","bestTextColor":"#000000","contrastBlack":15.3,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#37FB47","hex":"#37FB47","family":"green","bestTextColor":"#000000","contrastBlack":15.05,"contrastWhite":1.4,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#5AD204","hex":"#5AD204","family":"green","bestTextColor":"#000000","contrastBlack":10.66,"contrastWhite":1.97,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Fluorescent Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/04d215.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fluorescent-green.json","https://www.colorsencyclopedia.com/api/colors/lime.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json"]}
Harmonies
{"complementary":"#D204C1","analogous":["#5AD204","#04D27C"],"triadic":["#1504D2","#D21504"],"tetradic":["#045AD2","#D204C1","#D27C04"],"splitComplementary":["#7C04D2","#D2045A"],"monochromatic":["#37FB47","#04D215","#02780C"]}
Variants
{"light":"#37FB47","dark":"#02780C","saturated":"#00D612","desaturated":"#1CBA29","pastel":"#67EF72","neon":"#00FF15"}
Nearest named colors
[{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":47.01063709417264},{"slug":"lime","name":"Lime","hex":"#00FF00","distance":49.8196748283246},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":54.607691765904185},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":69.53416426476987},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":75.61084578286372}]

HEX meaning and use

About #04D215

#04D215 is classified as a cool green value with vibrant and jewel tone visual character. #04D215 is visually closest to Fluorescent Green, a named green color with HEX #08FF08.

The RGB channels are 4, 210, and 21, with green carrying the strongest channel weight. In HSL, the hue is 125deg with 96% saturation and 42% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and rich accent palettes. Its luminance is 0.4617, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 47.01, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.23:1AA Pass
White text2.05:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #04D215 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.23:1 · AAA
White text#FFFFFF2.05:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14
Fluorescent Green#000000 text · best 15.32:1#08FF08
Lime#000000 text · best 15.3:1#00FF00
#37FB47#000000 text · best 15.05:1#37FB47
#5AD204#000000 text · best 10.66:1#5AD204

Generated Palette

#04D215#04D215
#D204C1#D204C1
#5AD204#5AD204
#04D27C#04D27C
#37FB47#37FB47
#02780C#02780C

Color Harmonies

#D204C1#D204C1
#5AD204#5AD204
#04D27C#04D27C
#1504D2#1504D2
#D21504#D21504

Variants

#37FB47#37FB47
#02780C#02780C
#00D612#00D612
#1CBA29#1CBA29
#67EF72#67EF72
#00FF15#00FF15

Nearest Named Colors